@article{DAN_1986_290_2_a2,
     author = {L. A. Bagirov},
     title = {Boundary value problem for a class of higher-order elliptic},
     journal = {Doklady Akademii Nauk},
     pages = {270--274},
     publisher = {mathdoc},
     volume = {290},
     number = {2},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_290_2_a2/}
}